192 



POLYPODIACE;E. 



longis, minoribus 1 mm. longis. Frons in ambitu cordata apice .acuminata 

 basi cordata tripinnata 35 cm. longa 20-23 cm. lata, pinnis infimis longissimis 

 16 cm. longis breve petiolatis oblique cuspidato-triangularibus apice acuminatis 

 basi oblique truncatis latissimis 13 cm. latis, (pinnulis infimis ordinis primarii 

 latere inferiore longissimis 11 cm. longis, iis infimis latere superiore 3 cm. 

 longis) pinnulis infimis ordinis primarii latere inferiore 11 cm. longis 3 cm. latis 

 apice acuminatis basi plus minus rotundatis sessilibus, pinnulis infimis latere 

 superiore 3 cm. longis triangulari-ovatis apice obtusis basi truncato-cuneatis 

 sessilibus, pinnulis infimis ordinis secundarii triangulari-oblongis sessilibus 

 margine lobulatis, lobis ascendento-patentibus infimis oblongis 4 mm. longis 2- 

 3 mm. latis margine remote aristato-serrulatis ; pagina subtus toto (exceptis pin- 

 nulis inferioribus pinnarum infimarum) sorifera ; 

 rhachis f rondis et pinnarum supra prof unde sulcata 

 superiore anguste canaliculata squamata, costulis 

 pinnularum supra canaliculatis subtus elevatis, 

 venis lateralibus supra non visis subtus plus minus 

 visis; pagina coriacea margine aristata supra 

 glabra subtus minute pilosa, pilis minute Jmm. 

 longis, squamis ad rhachin pinnarum vel pin- 

 nularum basi sacciferis. 



HAB. Monte Arisan, leg. B. HAYATA et S. 

 SASAKI, 1912, Jan. 



Near P. varium PR. ; but differs from it by 

 the very much unequal sided lowest pinnae with the 

 longer lowest pinnules on the lower side, which 

 pinnules are as twice long as the next pinnules. 



Polystichum falcatipinnum HAYATA sp. 

 nov. (Fig. 130). Rhizoma erecto-ascendens cum 

 reliquis stipitum 5 cm. in diametro. Stipes 20 

 cm. longus frondibus brevior, squamis variabil- 

 limis linearibus vel lanceolatis latioribus vel 



Fig. ISO, Polystichum 

 falcatipinnum HAYATA ; ft, one 



of the smallest scales on the 

 stipes ; b, a portion of a pin- 

 nule. 



angustioribus, majoribus 1 Jem. longis 4-5 mm. 

 latis apice cuspidatis, minoribus lanceolatis cus- 



